As you look at these photos shot in Central Park in the early seventies you note that people are interacting, looking, playing. They had no smart phones to constantly check No messages or even cell phones. how did we ever manage? Actually we were more human then.
To create dramatic you do not really need polarizers but just under expose a stop or even two. Especially on a day when the sky is without clouds and drama must be added to create an image that stands out.